Question

quantos números x, tais que 50 <= x <= 250, não são múltiplos de 3?

Answer 1

{50,52,53,55,56,58,59,61,62,64,65,67,68,70,71,73,74,76,77,79,80,82,83,85,86,88,89,91,92,94,95,97,98,100,101,103,104,106,107,109,110,112,113,115,116,118,119,121,122,124,125,127,128,130,131,133,134,136,137,139,140,142,143,145,146,178,149,151,152,154,155,157,158,160,161,163,164,166,167,169,170,172,173,175,176,178,179,181,182,184,185,187,188,190,191,193,194,196,197,199,200,202,203,205,206,208,209,211,212,214,215,217,218,220,221,223,224,226,227,229,230,232,233,235,236,238,241,242,244,245,247,248,250}


São 134 números